Fossils November 17 Genus Lingula Kingdom Animalia Phylum Brachiopoda Class Inarticulata
Cretaceous (Mesozoic) tailed mussel Filter feeder Burrows in the sand Genus Atrypa Kingdom Animalia Phylum Brachiopoda Class Articulata
Shells are round, egg shaped covered with many radial ridges Silurian/Devonion (Paleozoic) Genus Composita Kingdom Animalia Phylum Brachiopoda Class Articulata
Devonion to Permian (end of Paleozoic) Smooth shell Rounded folds Genus Juresania Kingdom Animalia Phylum Brachiopoda Class Articulata
Pennsylvanian to Permian (end of Paleozoic) Suspension feeder Fold and sulcus (groove) Fine lines between Genus Leptaena Kingdom Animalia Phylum Brachiopoda Class Articulata
Ordovician to Devonion (Paleozoic) Wrinkled ornamentation and fine linear markings Genus Mucrospirifer Kingdom Animalia Phylum Brachiopoda
Class Articulata winged brachiopods Butterfly shell Filter feeders Devonion (Paleozoic) Genus Platystrophia Kingdom Animalia Phylum Brachiopoda
Class Articulata Ordovician to Silurian (Paleozoic) Prominent sulcus and fold Marine lime mud and sands lamp shells Genus Rafinesquina Kingdom Animalia Phylum Brachiopoda
Class Articulata U-shaped and wide around the hinge Ordovician (Paleozoic) Filter feeder Muddy sand or silt Order Rhynchonellida Kingdom Animalia Phylum Brachiopoda
Class Articulata Strongly ribbed wedge-shaped or nut-like shells Can extend their lophophore out for better feeding Ordovician through Mesozoic Genus Exogyra Kingdom Animalia Phylum Mollusca Class Bivalvia
Saltwater oysters Beak curved to one side Genus Gryphaea Kingdom Animalia Phylum Mollusca Class Bivalvia
Devils toe nails Triassic to tertiary (mesozoic) Two articulated valves-large shell and flattened smaller shell (lid) Genus Pecten Kingdom Animalia Phylum Mollusca Class Bivalvia
Looks like a comb or rake Saltwater clams Cretaceous to quarternary Found all over the world Genus Pholadomya Kingdom Animalia Phylum Mollusca Class Bivalvia
Saltwater clams mesozoic Subclass Ammonoidea Kingdom Animalia Phylum Mollusca Class Cephalopoda
Devonion to Cretaceous Excellent index fossils-specific species found in rock layers Genus Baculites Kingdom Animalia Phylum Mollusca Class Cephalopoda
Subclass Ammonoidea walking stick rock Cretaceous Genus Dactylioceras Kingdom Animalia Phylum Mollusca Class Cephalopoda
Subclass Ammonoidea Jurassic-good index fossil Shells branching ribs that incline forward Died with dinosaurs Small in size Order Belemnitida Kingdom Animalia Phylum Mollusca Class Cephalopoda
Subclass Coleoidea Mesozoic Squid-like Hooks for catching prey Genus Nautilus Kingdom Animalia Phylum Mollusca Class Cephalopoda
Subclass Nautiloidea Eocene Genus Orthoceras Kingdom Animalia Phylum Mollusca Class Cephalopoda
Subclass Nautiloidea Often in limestone Ordovician Grew to 15 cm and ate small animals Look like baculites but existed before them Genus Conus Kingdom Animalia Phylum Mollusca Class Gastropoda
Predatory sea snails or cone snails First appear in cretaceous Genus Cypraea Kingdom Animalia Phylum Mollusca Class Gastropoda
Sea snails Genus Platyceras Kingdom Animalia Phylum Mollusca Class Gastropoda
Paleozoic sea snails Had a symbiotic relationship with crinoids Genus Turrietella Kingdom Animalia Phylum Mollusca Class Gastropoda
Tightly coiled shells Cretaceous to today Genus Worthenia Kingdom Animalia Phylum Mollusca Class Gastropoda
Devonian to triassic Turban shaped shell Class Asteroidea Kingdom Animalia Phylum Echinodermata
Starfish or sea stars Since ordovician predators Genus Pentremites Kingdom Animalia Phylum Echinodermata
Class Blastoidea Carboniferous Related to sea lillies (crinoids) Trapped food floating in current using tentacles Anchored to sea floor Class Crinoidea Kingdom Animalia Phylum Echinodermata
Stems, columns, calyxes Date back to mid paleozoic Attach to sea floor Class Echinoidea Kingdom Animalia Phylum Echinodermata
Sea urchins, sand dollars Mouth has 5 teeth arranged in circle (Aristotles lantern) Since ordovician Class Ophiuroidea Kingdom Animalia Phylum Echinodermata Brittle stars
5 arms Since ordovician Scavengers, detritus feeders and can prey on small animals